28909839

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1283}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 46840320

約数和(自身を除く): 17930481

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 609, 777, 1073, 1283, 3219, 3849, 7511, 8981, 22533, 26943, 37207, 47471, 111621, 142413, 260449, 332297, 781347, 996891, 1376659, 4129977, 9636613, 28909839]

約数ペア:

[(1, 28909839), (3, 9636613), (7, 4129977), (21, 1376659), (29, 996891), (37, 781347), (87, 332297), (111, 260449), (203, 142413), (259, 111621), (609, 47471), (777, 37207), (1073, 26943), (1283, 22533), (3219, 8981), (3849, 7511)]